Introduction: The discovery of bacteria opened a large and original work. One of attractive field for its most interesting features is that: new and intimate relations are constantly being found between the minute plant ...

Introduction: Quarantine may be defined as the methods and measures imposed by a government-local-state or national-to prevent the introduction of infectious disease into a country or from one locality to another. The term ...

Introduction: English is not a language derived from any single source. Only intracing its development, however, do we come to realize the vast number of elements that enter into its formation. Almost every written or ...